if they are new and should be tentative - it was my buggy configuraion
when I upgraded from FreeBSD 8 -> 9.
strlcpy(ifa.ifra_name, ifp->name, sizeof(ifa.ifra_name));
/*
* We should not set IN6_IFF_TENTATIVE as the kernel should be
- * able to work out if it's a new address or not and set it accordingly
- * although FreeBSD seems to be buggy here.
+ * able to work out if it's a new address or not.
*
* We should set IN6_IFF_AUTOCONF, but the kernel won't let us.
* This is probably a safety measure, but still it's not entirely right